Brook Trout Salvelinus fontinalis
Distribution: Brook trout were introduced from North America in the early 1900s. Populations are maintained by stocking of hatchery-reared fish. Brook trout live in cool waters of streams and lakes.
Size: The brook trout is much smaller than other trout species, usually weighing in at approximately 2kg but has been recorded to 4kg in Australia.
Characteristics: Brook trout are a slender and elongated fish that generally resemble a brown trout in form. Brook trout can be differentiated by their large mouth which extends beyond the level of the eye. They have an olive-green background body colour with pale, worm-like lines and spots. The pelvic, pectoral and anal fins are dark grey with a prominent white anterior margin.
Confusing Species: Similar to other trout and salmon species.